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Introduction This is a series articles on ASP.NET Tips and Tricks. Under my previous article Common ASP.Net Tips and Tricks ,   we learned configuration tips and tricks. The article explained common exceptions we encounter while development and best practices for code implementation. Tips and Tricks LINQ to Entities does not recognize ToString Sometimes LINQ to Entities does not recognize the method "System.String ToString()" and this method cannot be translated into a store expression. Solution This type of exception frequently occurs when we are working with LINQ or Entity Framework. For example: var result=dc.Tests.Where(i=>i.status==status.ToString()).FirstOrDefault();   According to the preceding syntax, when we convert “status.ToString()”, in the where condition the exception "Expression not found such method in SQL" occurs where the condition returns an IQueryable result. So if we convert the result to IEnumerable, then the

Introduction In this article we learn about how to validate CKEditor control using jquery validate Prerequisite. Below JavaScript library are used to validate CKEditor control. Jquery-1.11.1.js Jquery.Vaidate.js Description When we configure CKEditor control in our html page it render in Iframe so jquery validate library fails to check weather this control is empty or not and we face issue while validating this control. Let’s see example: HTML: <form> <textarea id="txtDemo1" name="txtDemo1"></textarea> <textarea id="txtDemo2" name="txtDemo2"></textarea> <input type="submit" value="submit"> </form> Let’s assume we have configured CKEditor for both text area control and both fields are required in system. For validation we have implemented following validation for both control as shown below: SCRIPT: $("form").validate({ igno

Introduction In previous series of Asp.Net Tips and Tricks we learn basic configuration for Asp.Net application and exception handling. You can also visit Part-1   In this article we learn new tips which is useful for both web form and Asp.Net MVC application. Description In this article we learn some tips which will helpful while we development. Problem: When we are using Response.Redirect method inside Try Catch Block ThreadAbortException occurs Solution 1: Response.Redirect(“redirectUrl”,false); This method stops current execution of request and error is prevented. Solution 2: Second way to prevent ThreadAbortException error is to handle error in try catch block try { Response.Redirect(“redirectToSomeUrl”); } catch(ThreadAbortException e) { } Problem: Server cannot set status after HTTP headers have been sent Solution: This error occurs with number of reason in Asp.Net MVC application When we use export to excel or any other format of

Introduction In this Visual Studio 2015 RC have major changes ever, an integrated suite of developer productivity tools, cloud services, and extensions that enable you and your team to create great apps and games for the web, for Windows Store, for the desktop, for Android, and for iOS. This article highlights some of the most important features in visual studio IDE. New Feature in Visual Studio 2015 RC   Description  1)    Sign In across multiple accounts You can work with multiple user accounts in Visual Studio by adding them as you go or through the new Account Manager. Then, you can switch between those accounts on the fly when connecting to services or accessing online resources. Visual Studio remembers the accounts you add so you can use them from any instance of Visual Studio or Blend.   Figure1: You can add multiple accounts in visual studio by clicking on Add an account link 2)    Choose your target platform(s)   Visual Studio 2015 supports cross-platform

Introduction JUICE UI is open source ASP.NET Web Forms components for jQuery Widgets. We use all jQuery UI components like ASPX Server side control. Here we learn and use JUICE UI control in Aspx Web Form. JUICE UI Control also available for ASP.NET MVC Control also as helper method. Description Juice UI requires .NET 4.0. Please ensure the proper version of .NET is installed before attempting to integrate Juice UI Controls. Juice UI can be installed through the NuGet Package Manager: PM> Install-Package Juice UI Note: While use JUICE UI Control TargetControl attribute is required to set with ASPX Control ID. Before Use JUICE UI Control Add ScriptManager in Page. All jQuery Widget and JUICE UI Control have same attribute Date Picker Control <asp:TextBox runat="server" ID="txtDate" /> <juice:datepicker runat="server" targetcontrolid="txtDate" mindate="-20" maxdate="+1M +10D" /> Juice UI Dat

Introduction This article is useful for all developer who faces this type of exception in their software development time. Article also provides tips for common error. I will provide you solution of common exception and issue facing during development. Tips and Tricks 1) 500 Error occurs while publishing website in IIS. Most configuration error occurs because of this.   Solution Figure1: Configuration Steps related to publish website in IIS Step 1 : Choose appropriate application pool and if target framework is missing  in application pool then follow below steps as per your pc. Open command Prompt using Run as administrator   Change the directory path for proper framework in command prompt CD C:\Windows\Microsoft.NET\Framework64\v4.0.30319 After changing directory path hit enter "aspnet_regiis i" this command register aspnet_regiis is available into directory. Step 2 : Select proper publish code   Step 3 : Check the Physical path

Introduction This article explains about Customize Form Authentication for store role information with username in Form Authentication Cookie. Storing role in authenticated cookie help when we use SSO -Single Sign On functionality for authentication and role value used in authorize user . Description I am working on SSO- Single Sign On Functionality with Disconnected Architecture. SSO for Cross Domain or  Sub Domain. I have three sub domain web site which share common Authentication but hosted at different place like GoDaddy, BlueHost, Big Rocks etc. These system first request for valid authentication and then further processing is done. As all user info is store in main server other Sub Domain do not contain any information about user or role.So Any How I need Functionality for Single Sign On With Authentication as well as Authorization and Finally I  found this solution for requirement.I will guide you internal structure of Form Authentication and also customiz